avaadovee avaadovee

17-05-2021
Mathematics

contestada

-2x + 5y =1
7x – 10y = -11
If (x, y) is a solution to the system of equations above, what is the sum of x and y?

Respuesta :

hussennasr hussennasr

17-05-2021

Answer:

you can sum the 2 equations or suppose-10y=-7x-11

then you can get it it in the other one

step by step

[tex] -2x + 5y = 1 \\ + \\ 7x - 10y = - 11 \\ x = - y = - 1[/tex]

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